baber/WOPTO huggingface dataset:
Patent GB-1260925-A (GB)
Title: Improvements in and relating to furnace chambers fired through combustion air ports
IPC: F23D11/00
Filed: 1969-03-26
Abstract: 1,260,925. Fluent fuel fired furnaces; burners. BABCOCK & WILCOX CO. 26 March, 1969 [26 March, 1968], No. 15843/69. Headings F4B and F4T. Fuel from an oil, gas or pulverized fuel-fired burner 22, and combustion air from a windbore 29, pass into the furnace chamber (not shown) of a steam generator, through a firing port passage 23 which is so shaped that the cross-section of the burner flame produced, corresponds to the cross-section of the furnace chamber, to thereby reduce flame impingement on the tube walls. The fuel is discharged as an expanding conical envelope through apertured burner head 50, the position of which in passage 23 is longitudinally adjustable. A flameignition system 57 is provided. The combustion air from windbore 29 passes radially through air register 32, the pivotable air doors 35 of which both control the air flow and give it a whirling motion, through the tapering passage defined by cone member 30 over further whirlpromoting vanes 37, into the cylindrical portion 26 of the passage 23 to surround the discharging fuel. Diverging channels 27 are provided at the outlet end of passage 23 leading off from the cylindrical portion 26. The fuelair mixture which expands conically outwardly as it leaves the firing port, due to the provision of the passages 27, expands more rapidly towards the corners of the furnace chamber, than towards the other furnace chamber regions. An assembly of firing ports in a furnace chamber wall may be provided with appropriately located diverging channels to produce the same effect. In a modification (not shown), the whole firing port passage diverges towards the furnace chamber, but the corner channels diverge more steeply than the remainder so the overall effect is retained.
Patent GB-120255-A (GB)
Title: Improvements relating to the Manufacture of Carbon Blocks.
Inventor: HUTCHINS THOMAS WILLIAM STAINE
IPC: C10L5/02
Filed: 1917-10-31
Abstract: 120,255. Hutchins, T. W. S. Oct. 31, 1917. Feeding and measuring; lubricating; processes. -In the production of carbon blocks by compressing finely ground material, the mould is lined with a film of solid lubricant prior to or during the introduction of the material. The lubricating material, e.g. graphite, may be employed with or without the addition of fat or grease, e.g. tallow, as a binding-medium. Apparatus for carrying out the invention comprises a liner a, Fig. 1, through which the carbon is introduced and around which the lubricant is passed into the mould b, the liner being positioned within the mould by distancepieces c. Fig. 3 shows a modification in which the liner a is provided with spring, hinged tongues d. The material may be compressed against a porous bed connected to an exhaust pump.
Patent GB-992467-A (GB)
Title: Improvements in and relating to surgical instruments
IPC: A61B18/02
Filed: 1963-04-23
Abstract: 992,467. Surgical cooling. UNION CARBIDE CORPORATION. April 23, 1963 [April 30, 1962], No. 15888/63. Heading A5R.  An appliance for localized cooling, primarily for treating brain tumours, comprises a hollow tip, through which a cryogenic fluid is passed, mounted on a conduit which is thermally insulated by an evacuated sheath. The portion 10, adjacent to the tip, is rigid, to facilitate its accurate location in the brain but the rearward portions 16 are formed of corrugated tubing so as to be flexible. This is attached to the connecting member 20 of a container 18 for cryogenic liquid having a boiling point below - 100 C., such as liquid nitrogen or oxygen. The operative tip 112, Fig. 2, is of metal, preferably silver, and has a hollow space 112a into which the liquid is conducted by a narrow bore tube 122. The liquid evaporates in this space and passes back through an annular space 124 to a vent 30, Fig. 1. A further annular space 114c, Fig. 2, surrounds the tube 114a and is continued into the flexible portion 16, Fig. 1, and is evacuated to provide thermal insulation for the conduit 122, Fig. 2. An evacuated jacket is also provided around the extension of the conduit 122 leading into the liquid container and this may enclose a suitable gas adsorbent material. Initial cooling of the device, prior to use, may be expedited by a pre-cooling jacket surrounding the conduit 122 and extending along part of the length of the flexible portion 16, Fig. 1. Cryogenic liquid is allowed to evaporate into this jacket through small orifices in the central conduit 122 and thus provide the necessary cooling.
Patent GB-1303155-A (GB)
IPC: C08L23/12
Filed: 1970-04-03
Abstract: 1303155 Polypropylene mouldings BADISCHE ANILIN- & SODA-FABRIK AG 3 April 1970 [5 April 1969] 15888/70 Addition to 1303151 Heading C3P Polypropylene injection mouldings are prepared by moulding at 200 to 330‹C. and 500 to 1800 atmospheres gauge a mixture of (A) 70 to 80 weight per cent of a polypropylene of which less than 1% is soluble in boiling toluene and (B) 20 to 30 weight per cent of a polypropylene of which-more than 99% is soluble in boiling toluene, the polypropylenes having substantially the same molecular weight distributions and substantially the same intrinsic viscosities which are within the range 1 to 10, measured in decahydronaphthalene at 130‹ C. The polypropylene mixture may be prepared by polymerizing propylene to high and low intrinsic viscosity polymers by similar processes and combining the soluble portion of the high viscosity product with the insoluble portion of the low viscosity product. An example describes the moulding of rectangular boxes.
Patent GB-1283660-A (GB)
Title: Internal combustion engine fuel supply system
Inventor: MOULDS JOHN WILLIAM
IPC: F02D41/06
Filed: 1971-05-20
Abstract: 1283660 Fuel injection systems GENERAL MOTORS CORP 20 May 1971 [10 June 1970 17 July 1970 (2)] 15988/71 Heading G1N In an I. C. engine fuel injection control system, additional fuel is supplied to the engine during starting, the extra fuel being applied only during an enrichment interval beginning when the starter is actuated and having a maximum duration directly related to the previous resting period (i.e. when starter is not actuated), to thereby prevent flooding. As shown, the system includes a multi-vibrator 92 triggered by pulses at 132 in synchronism with engine rotation to provide injection valve opening pulses. When a starting switch 150 is closed the starter 146 is energized to crank the engine, and an enrichment circuit 154 is energized to provide pulses at 166 which trigger the multi-vibrator 92. The frequency of these pulses is inversely related to the engine temperature (sensed by thermistor 172) and the battery supply voltage. Particularly, the frequency is doubled when the battery voltage falls below a pre-set level. The enrichment circuit, Fig. 2 or 6 (not shown), includes a timing circuit responsive to the actuation of switch 150 to produce a control voltage relative to a reference level to control an oscillator which provides the pulses at 166 depending on the relative values of the control voltage and reference level. The control voltage, Fig. 4 (not shown), is such that the enrichment interval has a minimum duration directly related to the duration of the present cranking period (i. e. duration that switch 150 is closed) and has a maximum duration directly related to the duration of the previous resting period and inversely related to the duration of the previous cranking period in excess of the previous enrichment interval. In an alternative, the pulses produced by the enrichment circuit may be used to energize an additional injector mounted in the intake manifold upstream of the main injector 48.
Patent GB-529753-A (GB)
Title: Improved building or constructional units
IPC: C04B28/02
Filed: 1939-05-26
Abstract: 529,753. Fibrous plastic compositions. MANN, G. S., and FRANKLIN, G. May 26, 1939, No. 15998/38. [Class 70] Bricks, boards, battens, slabs, &c. are formed from a composition of liquid-saturated pulped or shredded paper, sand and hydraulic cement. The composition may also include lime, gluten, viscose, wood sawdust or shavings, a colouring matter and a preservative such as formaldehyde.
Patent GB-568473-A (GB)
Title: Improvements in or relating to electromagnetic inductive devices having split cores
IPC: H01F27/26
Filed: 1943-10-02
Abstract: 568,473. Transformers &c. MARCONI'S WIRELESS TELEGRAPH CO.. Ltd. Oct. 2. 1943, No. 16173. Convention date, Oct. 2, 1942. [Class 38 (ii)] In transformer or reactor cores built up from laminated sections E, I separated by an insulating spacer G, the sections are urged together on to the spacer by spring links S engaging headed pins P extending through the laminations.
Patent GB-196840-A (GB)
Title: Improvements relating to swath boards for swath turning and like machines
IPC: A01D78/14
Filed: 1922-06-12
Abstract: 196,840. Bamford, J., and Bamford, C. J. June 12, 1922. Haymaking.-A swath-board 18 is mounted on a swath-turning or like machine by a cranked arm 17 that may be adjustably fitted into either end of a bracket secured on the main frame so as to project on either side. The bracket comprises a clip 7, the upper part of which is formed as a cylindrical bearing for a pin 9 that carried lever arms 11. A boss 15 is formed on the top of each arm 11 and a tube 16 extends through the two bosses. The cranked arm 17 is inserted in the tube from the desired side, and may be adjusted by sliding into or out of or by turning in the tube, sets-screws 19 locking it in the desired position. The lever arms 11 may be swung on their pivot 9 to lift the arm 17 by operating a hand-lever connected by a link 23 to an arm 22 projecting from the pin 9. The arms 11 are fitted with extensions 12 from which the bar 20 carrying the forward ends of the tine shafts is hung by chains 21. The swath-board is thus lifted simultaneously with the tines. To secure the swath-board 18 at the correct angle on either side it is secured by a rivet 32 to a fitting 27 provided with two holes 28, 29, disposed at an angle to each other, one or other of these holes being adapted to take the end of the arm 17 in accordance with the side on which the swath-board is arranged. In a modified form the arm 17 passes through a fitting provided with a serrated base which may be clamped to a serrated member on the swathboard.
Patent GB-805049-A (GB)
Title: Vehicle lighting circuit condition indicator
IPC: B60Q11/00
Filed: 1956-05-25
Abstract: 805,049. Road-traffic signals on vehicles; lamp failure alarms. HOLLINS, J. R. May 25, 1956, No. 16227/56. Class 118 (2). A pilot lamp for supervising the stop lamp circuit on vehicles is arranged so as to be illuminated only just prior to movement from rest of a vehicle or when a brake application is imminent, thus avoiding the disadvantages of a substantially continuously lit pilot lamp on the dash-board. A battery 10 supples stop lamps SL via the usual ammeter 13 and switch BS controlled by the brake pedal BP. A pilot lamp PL of high resistance and low candlepower is connected in series with a normally closed switch AS controlled by accelerator pedal AP, as shown, between the stop lamps SL and ignition switch 15. Thus the pilot lamp PL will light when the ignition switch 15 is turned on and extinguish as soon as the accelerator pedal AP is depressed. When the accelerator pedal is released prior to braking the pilot lamp will again light up, to be extinguished on depression of the brake pedal BP (when switch BS effectively short-circuits the lamp PL). On failure of stop lamps SL, or the wiring thereto, the pilot lamp PL will fail to light, and if there is an earth fault on the stop lamp supply circuit the pilot lamp PL will remain lit when the brakes are applied. Specification 637,835, [Group XXIX], is referred to.
Patent GB-934277-A (GB)
Title: Improved shock damping piston
IPC: F16F9/34
Filed: 1961-05-04
Abstract: 934,277. Shock-absorbers. FICHTEL & SACHS A.G. May 4, 1961 [June 18, 1960], No. 16268/61. Class 108(3). A valve-controlled shock absorber damping piston 2 of the kind having a pair of plate springs 3 which partially cover corresponding pressure and tensile ports 4, 5 and leave free pilot passages 7, 8 beyond the rims of the springs is characterized in that, in order to be independent of misalignment due to tolerances on the constructional components and at the same time provide large ports with accurate small pilot passages so that a smooth transition from hole to valve damping is obtained, the length of spring plate rim lying free over a passage port is made small in relation to the extension of the pilot passage perpendicular to the rim. As shown in Figs. 1, 2 the pressure and tensile ports 4, 5 having rims 6 against which the respective spring plates are applied are respectively of rectangular and triangular crosssectional shape a corner of each forming a pilot passage. Other arrangements are described having differently shaped ports with semicircular or polygonal developments which form the pilot passages.
Patent GB-236220-A (GB)
Title: Improvements in thermionic apparatus
IPC: H01J5/30
Filed: 1925-06-24
Abstract: 236,220. Holweck, F. June, 26, 1924, [Convention date]. Addition to 206,155 and 211,143. Vacuum tubes.-In a thermionic valve having separable parts as described in the parent Specifications the joint between the anode 14 and the base 1 is made by means of an insulating disc 11 having plane faces rendered airtight by valve grease, and guard rings 15, 16 are provided to prevent electron bombardment of the grease. The disc extends beyond the surfaces of the valve and base, and the edge is covered by insulating centring members 17, 18. The edges of the rings 15, 16 are chamfered to form chambers for excess grease. Two filaments 28, 29 in parallel are mounted on wide metal posts 20, and connected through hooks with a plate 24 having a central rod 21 sliding in an insulated tube 22 and pressed upwards by a spring 23. The filaments are spaced by refractory threads 30 or by hooks 32, 33 secured to an insulating member 31 on the rod 21. A grid 34 is carried by an insulating tube 25 on one of the posts 20, and secured to a quartz plate 26 sliding in the anode and serving as a guide for the rod 21. The grid lead 9 is insulated by glass discs, and sealed by pitch or putty in a chamber closed by an insulating cap 10. The base 1 is provided with water-circulation passages 2, 3, and is connected by a conical joint with a pipe 4 leading to a pump. Electrical discharges towards the pump are prevented by a baffle 27.
Patent GB-927731-A (GB)
Title: Improvements in and relating to pipe brackets or clips
IPC: F16L3/13
Filed: 1961-05-05
Abstract: 927,731. Pipe brackets. G. McLAREN. March 28, 1962 [May 5, 1961], No. 16436/61. Class 52 (5). A pipe clip comprises a hard rubber or thermoplastic e.g. polypropylene, one piece moulding having a pair of resilient arcuate arms 11 forming a cradle 12 to receive and grip a pipe 15, a gap between the free ends of the arms 11 and a base member 10 provided with a hole 13 for a retaining screw. The base 10 is of truncated conical form which may be connected by lateral extensions 16 and webs 17 to the arms 11 or, alternatively, the outer sides 14 of the arms 11 may extend to the base 10.
Patent GB-197847-A (GB)
Title: Improved apparatus for discharging the ashes from furnaces
IPC: F23J1/02
Filed: 1922-06-14
Abstract: 197,847. Marks, E. C. R., (Nissen, N. F.) June 14, 1922. Ashes, removing.- Ash-discharging apparatus for furnaces comprises a water trough disposed below the outlet of a funnel forming the ash-pit, in which trough a shovel or the like suspended from a fulcrum oscillates, the height of the shovel relatively to the depth of water being small to prevent jamming. The ashes may be removed from both sides of a trough suspended from the funnel, or as shown in Fig. 3, from one side only, the shovel 9 being a flap hinged to an oscillating arm and raised by fingers 12, pivoted to side-rails 13, on 'the return stroke. The flap 9 is held raised till the supporting arm is in the position III, when it resumes its normal position. Hinged flaps 15 are fitted to the bottom edges of the funnel 7, and a constant water-level is maintained by connecting the trough 8 by a flexible pipe to a float-controlled tank. The shovel may be arranged to slide along its supporting arms to over-ride obstructions, and brushes may be fitted to its edges to prevent ashes from collecting at the sides of the trough. As shown in Fig. 7, the shovel 24 is resiliently driven, being freely suspended from the shaft 25 and provided with counter-weighted levers pivoted at 28, 29. The shovel is oscillated by the arm 33, which engages the arms 30, 31 of the weighted levers, allowing the shovels 24 to remain stationary if too great a resistance is met. In a modification, the weighted levers are suspended from the arm 33, and carry the shovel 24 along by engaging the stop 32. One side of the funnel may be continued down to the trough, the ashes being discharged from one side of the trough 53 only by wedge-shaped shovels 48, 49, as shown in Fig. 10. The supporting arms of the shovels may be connected by stays 50, 51, and a rotating cylinder 52 with radial arms assists in discharging the ashes. A hinged flap 55, which conforms to the shape of the cylinder 52, provides an air-seal. The discharged ashes may be removed by a travelling conveyor serving a number of furnaces.
Patent GB-914889-A (GB)
Title: Process for the preparation of organophilic sulfide pigments
IPC: C09C3/08
Filed: 1960-05-10
Abstract: Sulphide pigments are rendered organophilic by mixing an aqueous suspension of the pigment with a solution of a cation active substance containing at least one alkyl group of at least 8 carbon atoms, and dissociating readily in water, after which the pigments are separated and dried.  The cation active substance may be a salt, for example the halide, nitrate, sulphate, or acetate, of an -onium, -ynium, or -ylium base, such as cetyl-trimethyl-ammonium chloride, dicetyl-diethyl-ammonium bromide, dimethyl-dioctadecyl-ammonium bromide, cetylpyridium bromide, and cetyl-methylene-etherpyridinium chloride.  Sulphides referred to are zinc, arsenic, antimony, mercury, and stannous sulphide.  Specification 778,297 is referred to.
Patent GB-470632-A (GB)
Title: Improvements in or relating to aluminium alloys
IPC: C22C21/06
Filed: 1935-12-16
Abstract: Aluminium alloys contain 6-16 per cent of magnesium, 0,1-0,8 per cent of zinc, and 0,2-1 per cent of silicon, with or without 0,1-0,5 per cent of manganese.  The alloys may be rolled at 350-450 DEG  C. with intermediate annealings, followed by cold rolling and final annealing for 24 hours at 100 DEG  C.
Patent GB-187278-A (GB)
Title: Improvements in folding racks for garments or other articles
IPC: A47G25/06
Filed: 1921-06-16
Abstract: 187,278. Treble, H. S., and Infeld, H. June 16, 1921. Garment racks. - A a folding garment rack comprises an arm B, formed with downwardly depending loops, eyes, &c. B<4>, hinged to a wall or back support at B<1> and provided at its outer end with means to engage with a fixed hook A<1> when in the folded position. A chain D limits the movement of the arm B.
Patent GB-340956-A (GB)
Title: Electromagnetic instruments
IPC: H01F19/02
Filed: 1929-05-30
Abstract: 340,956. Transformers. FELDMAN, J., 35, Alexandrinenstrasse, Berlin. May 30, 1929, No. 16675. Convention date, March 27. Void [Published under Sect. 91 of the Acts]. [Class 38 (ii).] Transformer and like windings for use in wireless apparatus are subdivided into a number of parallel-connected sections similar in electrical and magnetic respects.
Patent GB-1480208-A (GB)
Title: Digital computers
IPC: G06F13/374
Filed: 1974-07-03
Abstract: 1480208 Data processing system DATALOOP Ltd 3 July 1974 [6 April 1973] 16684/73 Heading G4A In a data processing system comprising a data processing unit and a plurality of other units all interconnected for data exchange by a common bus, each unit, when it wishes to transmit data to another unit tests a "busy line" in the bus for the presence of a set signal, on detecting such a signal periodically repeats the test until no such signal is detected, the absence of a set signal on the busy line causing the unit to apply a set signal to the busy line and its own unique address, having a number of digits inversely proportional to its own priority, to a set of address lines in the bus, the unit then tests that the address on the address lines in respect of the number of digits in its own address is correct, each address of lower priority differing from an address of higher priority only in respect of digits additional to those of the address of higher priority, an incorrect address causing the unit to revert to testing the busy line and a correct address causing the unit to replace its own address by the address of the unit which is to receive the data and to transmit the data to the bus while maintaining the set signal on the busy line until the transmission is complete, each unit responding to its own address on the bus to receive data from the bus. Each unit is assigned a priority and its address is given by a single "1" bit at a distance from one end of the address word corresponding to its priority; thus in Fig. 4 unit A has the highest priority, unit B the next highest priority, and unit C the lowest priority. Thus if two units simultaneously sieze the bus the lower priority unit will detect the "1" bit of the high priority unit, conclude that its address is incorrectly applied, and drop out thus leaving the bus to the higher priority unit.
Patent GB-1236514-A (GB)
Title: Vacuum melting furnace
Inventor: TAYLOR KENDRICK C
IPC: B22D18/06
Filed: 1969-03-31
Abstract: 1,236,514. 514. De-gassing molten metal. PENNSALT CHEMICALS CORP. March 31, 1969 [April 5, 1968], No. 16743/69. Heading C7D. [Also in Division B3] Apparatus for de-gassing and casting metal comprises first and second vacuum chambers A and C, the first chamber having a furnace B therein and the second chamber having moulds D therein, and a ladle E which is able to receive molten metal from the furnace B and to move into and through the second chamber C to permit tapping of the molten metal from the ladle E into the moulds. Between the two chambers is a valve F which consists of a sliding door suspended from a trolley 142 running along a rail (148). When closed, the valve isolates the first and second chambers from each other, when open it allows a wagon 100 carrying the ladle 108 to move along rails 56, 106, and 60 into the second chamber C. In operation, the valve door F is closed, the chamber A evacuated and a hot or cold charge of metal supplied to the furnace B from a hopper 18. A mould car D is then moved into the second chamber C, the entrance G closed by a sliding door 170 and the chamber C evacuated valve door F is opened, molten metal poured into the ladle 108 from the furnace by tilting the latter, the ladle wagon wheeled into the chamber C and the metal poured into the moulds. The ladle is rotatable to enable it to supply two parallel lines of moulds. After closing the door F the furnace may be recharged or the chamber A brought up to atmospheric pressure without interfering with the casting operation in chamber C.
Patent GB-947527-A (GB)
Title: Improvements in or relating to electric cable glands
IPC: H02G15/02
Filed: 1961-05-09
Abstract: 947,527. Mechanical couplings for wire armouring. SIEMENS - SCHUCKERT (GREAT BRITAIN) Ltd., and B. J. DIXON. April 25, 1962 [May 9, 1961], No. 16834/61. Heading H2E. An electric cable gland has two metal surfaces which co-operate to clamp a cable, and a resiliently deformable metal separator with corrugated surfaces placed between them. If the cable has two layers of armour wire clamped between the surfaces the separator may be between the armour wires. In the Figure the separator is conical, alternatively it may be a wire spiral (Fig. 2, not shown).